package TUILayer;//makes this class a part of the TUILayer package
import java.util.Scanner;
import ControlLayer.*;//The TUILayer needs to know the ControlLayer
/**
 * 
 * User interface - main menu
 * The entry-point for the application:
 * Create an instance of class MainMenuUI and the constructor starts the application
 * 
 * @author (kbh) 
 * @version (2005.03.31)
 * (FEN): 2006.02.24: Comments translated into English
 * (FEN): 2006.03.21: Some changes to the architecture in order to assure layering
 *                    and loose coupling
 *                    
 * (KBH): 2008.10.24: Change af manimenuStart to if
 */
public class MainMenuUI
{
  //the reference to the ControlLayer
   private AddressBookUI adrUI;//references to other UI objects
   private DvdUI dvdUI;
   
   public MainMenuUI()
   {
  
      
   }
   
   public void mainMenuStart()
   {
        boolean exit=false;
                while(!exit){
        
            int choise = writeMainMenu();
            switch(choise){
            case 1:
            startAddressBook();
            break;
            
            case 2:
            startDvd();
            break;
            
            case 3:
            //start loanController 
            break;     
            
            case 4:
            writeEnd();
            exit = true;
            break;
            
            default:
            writeEnd();
            exit = true;
        }
    }
    
    }//end start
    
   private int writeMainMenu()
    {       
        // creates a keyboard object to read input
        Scanner keyboard = new Scanner(System.in);
        System.out.println("\f *** MainMenu ***");
        System.out.println(" (1) AddressBook");
        System.out.println(" (2) DVDs");
        System.out.println(" (3) Loan");
        System.out.println(" (4) Close");
        System.out.print("\n Make your choise: ");
            
        int choise = keyboard.nextInt();
            
        return choise;
    }
    
    private void startAddressBook()
    {
        adrUI= new AddressBookUI();
        adrUI.start();
        //the adrUI needs to have a reference to the address controller
        //main controller can return references to the other controllers
     
    }

    private void startDvd()
    {
        dvdUI = new DvdUI();
        dvdUI.start();
        
        //the DvdUI needs to have a reference to the DVD controller
        //main controller can return references to the other controllers
     
    }
    private void writeEnd()
    {
        System.out.println("The program has exited.");
    }
 }
